 The majority of the inhabitants said they practised Ethiopian Orthodox Christianity, with 58.5% of the population reporting they observed this belief, while 40.24% of the population were Muslim, and 1.05% of the population were Protestant.Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 182,193, of whom 93,369 are men and 88,824 are women; 91,775 or 50.37% of its population are urban dwellers, which is greater than the Zone average of 12.3%.With an estimated area of 638.44 square kilometers, Tiyo has an estimated population density of 285.4 people per square kilometer, which is greater than the Zone average of 132.2.